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Thats a lot of questions!, i've answered all of them before too.
Firstly, there are at least 3 twin screw projects that i know of, all of them up and running, two of them are planned to be commercial and in the final stages, the third i don't know the plans for.
Its pretty common for people with experience in other cars to come along and say the cars are runing lean, i use the same target AFR's as the factory does
With over 260 cars running in 10+ countries, i'm fine with where there are.
Also you're looking at dyno sheets with exhaust sniffers, do me a favour and before you start saying stuff isn't correct, or i'm not showing the best examples, find out whats going on first, my tuning software connects directly to a wideband going through the post 02 sensor, and the dyno is usually on a tail pipe, so unless we're decated or running a spare bung with the wideband in it, you're looking at the wrong stuff, some of the sheets are mixed between pre cat and sniffer, thats because i didn't do the 'marketing' runs,
There are base AFR maps in the ecu to work from, so i don't have to guess what the factory is set for, plus the AFR targets achieved are from 3 years of hard work.
Every so often someone comes along with the same things to say though.
I also do document that the traces on the site are done with an exhaust sniffer, again its all there to read.
cheers
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